247+ iOS apps & games curated and reviewed
Acid is the household name in acid, but it's far from the only option. We track 247+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (1) | No | No | Aug 2026 |
| 2 |  | $14.99 | 4.9★ (165) | No | Yes | Aug 2026 |
| 3 |  | Free | — | No | No | May 2026 |
| 4 |  | Free | — | No | Yes | Aug 2026 |
| 5 |  | Free | — | No | No | May 2026 |
| 6 |  | $6.99 | 4.3★ (15) | No | No | Aug 2026 |
| 7 |  | Free | 4.7★ (3.1K) | Yes | No | Aug 2026 |
| 8 |  | $3.99 | 4.7★ (57) | No | No | Aug 2026 |
Connect with communities that matter to you, from niche fandoms to close friends. Create or join groups with dedicated posts, real-time chat, and private messaging. Enjoy a focused, ad-free social experience built for genuine conversations.
This app is a high-quality bassline synthesizer and drum machine inspired by classic 80s hardware. It offers a retro analog sound with modern features for fast and fun music creation. Explore various genres with factory presets and create unique rhythms and basslines.
This app is a unique acid synthesizer inspired by classic hardware. It offers a distinct sound with growls and barks, functioning as a standalone application with Audiobus and Ableton Link support, as well as an AUv3 plugin.
Experience a calming and creative fluid simulation that helps relieve stress and anxiety. Interact with mesmerizing, colorful swirls and patterns that evolve on your screen. Ideal for relaxation, meditation, or creating unique digital art.
Create electro melodies and acid techno basslines with this creative bass synth sequencer. Features live control for triggering sequences and synth pads, random generation, and extensive sound shaping options. Export your audio loops easily.
Quickly create, manage, and play back acid bassline synth sequences. Features a step sequencer, built-in synth knobs for tone shaping, and CSV export for backups. Ideal for musicians needing to save and recall patterns.
Create iconic acid basslines with this powerful yet user-friendly synthesizer. Inspired by the classic TB-303, it offers dual oscillators, a resonant low-pass filter, versatile distortion, and a pattern generator for endless musical possibilities.
Test and enhance your understanding of the 20 standard amino acids with customizable quizzes. Explore topics like names, structures, codes, codons, and side chain classes. Study all topics for free, with an optional in-app purchase to remove ads.
This educational app aids students in memorizing 20 human amino acids. It categorizes them into four distinct groups: positive, negative, non-polar, and uncharged polar, with solutions provided for practice.
This medical calculator assists healthcare professionals in understanding and managing acid-base abnormalities at the bedside. It provides a practical approach based on physical-chemical principles to guide clinical actions for prevention and correction.